CN203198209U - Single-screw extruder for solar packaging film production - Google Patents
Single-screw extruder for solar packaging film production Download PDFInfo
- Publication number
- CN203198209U CN203198209U CN2013201909826U CN201320190982U CN203198209U CN 203198209 U CN203198209 U CN 203198209U CN 2013201909826 U CN2013201909826 U CN 2013201909826U CN 201320190982 U CN201320190982 U CN 201320190982U CN 203198209 U CN203198209 U CN 203198209U
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- CN
- China
- Prior art keywords
- screw rod
- machine barrel
- water
- cooling
- blind hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a single-screw extruder for solar packaging film production. The single-screw extruder comprises a rack, a machine barrel, a screw rod and a reduction gearbox, wherein the machine barrel, the screw rod and the reduction gearbox are arranged on the rack; the screw rod is rotatably arranged in an inner cavity of the machine barrel. The single-screw extruder is characterized in that a blind hole running through a screw rod inner core and a screw rod head is formed in the tail center position of the screw rod; a rotating joint connected with a water pipe is arranged at the tail part of the screw rod and the opening of the blind hole; the outer wall of the screw rod is divided into a plurality of regions along the length direction of the machine barrel; each region is provided with a water-cooling annular groove structure. As the blind hole capable of enabling cooling water to pass through is formed in the core part of the screw rod, shear heat generated by the screw rod can be quickly taken away by cooling water to prevent materials from decomposing; as the water-cooling annular groove structure is arranged on the outer wall of the machine barrel, the temperature of each region of the machine barrel can be controlled at any time, the temperature of the machine barrel is prevented from exceeding a setting temperature to influence the product quality. The single-screw extruder is reasonable in structure design, capable of realizing rapid cooling and suitable for extrusion of EVA (Ethylene-Vinyl Acetate) heat-sensitive plastics.
Description
Technical field
The utility model belongs to the processing of high molecular material field of mechanical technique, relates to a kind of extruder, especially a kind of single screw extrusion machine for the production of EVA solar energy encapsulating film.
Background technology
EVA solar energy encapsulating film is take acetate ethylene copolymer (EVA) as raw material, and adding crosslinking agent, adhesive accelerant, stabilizing agent cooperation form.EVA solar energy encapsulating film has stronger caking property, and good weatherability, light transmittance and outstanding ultraviolet resistance characteristic and extremely low shrinkage factor are widely used in safety interlayer glass film, color-changing sandwich glass and solar cell etc.
Extruder is used for multiple particulate material is fully mixed the rear also output of extruding, mainly be used in plastics or rubber and make the field, also be not exclusively used at home at present the extrusion equipment that EVA solar energy encapsulating film is produced, generally be to adopt assembly unit equipment to produce, production efficiency is low and quality is unstable.The existing patent No. is the Chinese patent " a kind of EVA solar energy encapsulating film equipment " of CN201120202692.X, it comprises main frame, net-changing device, mould, forming machine, crosses sheet machine, cooling bracket, calibrator, hauling machine, tenslator, winder, and each parts interconnects successively.Although this production equipment also is to produce continuously EVA solar energy encapsulating film, but the concrete structure of main frame is not illustrated, because traditional extruder screw is the processing that is not suitable for thermal sensitivity plastics, this is owing to can produce very large shear heat when plastic extrusion, and traditional extruder barrel one is to utilize blower fan to cool off, the 2nd, water flowing cooling on heating collar, cooling velocity is slow during overtemperature, is not suitable for extruding of this thermal sensitivity plastics of EVA.
Therefore need to design the single screw extrusion machine that a kind of EVA of being exclusively used in solar energy encapsulating film is produced, can carry out good melting to the EVA raw material, be equipped with corresponding subsidiary engine and can produce continuously the EVA diaphragm, realize the raising of production efficiency, guarantee that thereby product quality reduces cost, improves the market competitiveness.
Summary of the invention
Technical problem to be solved in the utility model be provide for the above-mentioned state of the art a kind of rational in infrastructure, cooling velocity is fast is used for the single screw extrusion machine that the solar energy encapsulating film is produced.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of single screw extrusion machine for the production of solar energy encapsulating film, comprise frame, be arranged on machine barrel, screw rod and reduction box on the frame, screw rod can be arranged in the inner chamber of machine barrel rotationally, it is characterized in that: the afterbody center of described screw rod offers one through the blind hole of screw rod inner core, through screw head, and is provided with the swivel joint that is connected with water pipe at the afterbody of screw rod, the opening part of blind hole.
As improvement, the length direction along machine barrel on the outer wall of described machine barrel is divided into several zones, and each zone is equipped with the water-cooling ring groove structure.
As improvement, described water-cooling ring grooved seal is arranged on the outer wall of machine barrel, concrete structure is: the two ends in described zone are respectively equipped with a cannelure around the machine barrel periphery, one of them cannelure is provided with water inlet, another cannelure is provided with delivery port, be connected with water inlet pipe and the outlet pipe of cooling water respectively, between two cannelures, be communicated with by at least one helicla flute.
Improve, described helicla flute is two, is arranged between two cannelures with identical direction of rotation respectively again.
Further improve, described machine barrel is provided with temperature element and temperature control instrument, is provided with the magnetic valve for control machine barrel Shang Ge district temperature on the pipeline of described water inlet pipe.
At last, described screw rod is that the employing compression ratio is 2.5～2.8 screw rod.
Compared with prior art, the utility model has the advantage of: can pass into the blind hole of cooling water in the core setting of screw rod, the shearing heat energy that produces of the screw rod water that is cooled is fast taken away like this, prevents the decomposition of material; Outer wall at machine barrel arranges the water-cooling ring groove structure, can control at any time the temperature in each district of machine barrel, prevents that barrel zone temperature from exceeding design temperature and affecting quality of item.The utility model reasonable in design can realize quick cooling, is fit to extruding of EVA thermal sensitivity plastics, is applicable to the production of EVA solar energy encapsulating film.
Description of drawings
Fig. 1 is the structural representation of extruder of the present utility model;
Fig. 2 is the structural representation of screw rod of the present utility model;
Fig. 3 is the structure cutaway view of machine barrel of the present utility model;
Fig. 4 is the expanded view of water-cooling ring groove structure on the machine barrel outer wall of the present utility model.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure, a kind of single screw extrusion machine for the production of EVA solar energy encapsulating film, comprise frame 1, be arranged on machine barrel 2, screw rod 3, reduction box 4 and protective cover 8 on the frame 1, screw rod 3 can be arranged in the inner chamber of machine barrel 2 rotationally, protective cover 8 is erected at outside the machine barrel 2, the compression ratio of screw rod 3 is 2.5～2.8, with the common three sections effective shearing that reduces material of screw-rod structure phase specific energy; The afterbody center of screw rod 3 offers one through the very dark blind hole 31 of screw rod 3 inner cores, through screw rod 3 heads, and be provided with the swivel joint 5 that is connected with water pipe at the afterbody of screw rod 3, the opening part of blind hole 31, cooling water is just guided to the bosom of the blind hole 31 of screw rod 3 by the water pipe on the swivel joint 5 like this, the shearing heat energy that screw rod 3 the is produced water that is cooled is fast taken away, and has prevented the decomposition of material; Length direction along machine barrel on the outer wall of machine barrel 2 is divided into several zones 21, each zone 21 is equipped with the water-cooling ring groove structure, the water-cooling ring grooved seal is arranged on the outer wall of machine barrel 2, concrete structure is: the two ends in each zone 21 are respectively equipped with a cannelure 22 around machine barrel 2 peripheries, one of them cannelure 22 is provided with water inlet, another cannelure 22 is provided with delivery port, be connected with water inlet pipe and the outlet pipe of cooling line 7 respectively, between two cannelures 22, be connected by two helicla flutes 23, two helicla flutes 23 are arranged between two cannelures 22 with identical direction of rotation respectively, cooling water just can enter from a cannelure 22 like this, from another cannelure 22 out, play the cooling effect to machine barrel 2; And on machine barrel 2, also be provided with temperature element and temperature control instrument, inlet pipeline at cooling line 7 is provided with for the magnetic valve 6 of controlling machine barrel 2 Shang Ge district temperature, like this by temperature element and temperature control instrument, cooperate the magnetic valve 6 that is contained on every inlet pipeline just can control accurately the temperature of machine barrel 2 regionals 21, prevent that machine barrel 2 temperature from exceeding design temperature and affecting quality of item.
Such extruder when work, by with cooling water by in the blind hole 31 of screw rod 3 cores water is taken away so that the shearing heat energy that screw rod 3 produces is cooled fast, prevents the decomposition of material; By the outer wall at machine barrel 2 the water-cooling ring groove structure is set, can controls at any time the temperature in machine barrel 2 each zone 21, prevent that machine barrel 2 temperature from exceeding design temperature and affecting quality of item.The utility model reasonable in design can realize quick cooling, is fit to extruding of this thermal sensitivity plastics of EVA.
Claims (6)
1. one kind is used for the single screw extrusion machine that the solar energy encapsulating film is produced, comprise frame, be arranged on machine barrel, screw rod and reduction box on the frame, screw rod can be arranged in the inner chamber of machine barrel rotationally, it is characterized in that: the afterbody center of described screw rod offers one through the blind hole of screw rod inner core, through screw head, and is provided with the swivel joint that is connected with water pipe at the afterbody of screw rod, the opening part of blind hole.
2. single screw extrusion machine according to claim 1, it is characterized in that: the length direction along machine barrel on the outer wall of described machine barrel is divided into several zones, and each zone is equipped with the water-cooling ring groove structure.
3. single screw extrusion machine according to claim 2, it is characterized in that: described water-cooling ring grooved seal is arranged on the outer wall of machine barrel, concrete structure is: the two ends in described zone are respectively equipped with a cannelure around the machine barrel periphery, one of them cannelure is provided with water inlet, another cannelure is provided with delivery port, be connected with water inlet pipe and the outlet pipe of cooling water respectively, between two cannelures, be communicated with by at least one helicla flute.
4. single screw extrusion machine according to claim 3, it is characterized in that: described helicla flute is two, is arranged between two cannelures with identical direction of rotation respectively.
5. single screw extrusion machine according to claim 4, it is characterized in that: described machine barrel is provided with temperature element and temperature control instrument, is provided with the magnetic valve for control machine barrel Shang Ge district temperature on the pipeline of described water inlet pipe.
6. according to claim 1 to the described single screw extrusion machine of 5 arbitrary claims, it is characterized in that: described screw rod is that the employing compression ratio is 2.5～2.8 screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201909826U CN203198209U (en) | 2013-04-15 | 2013-04-15 | Single-screw extruder for solar packaging film production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201909826U CN203198209U (en) | 2013-04-15 | 2013-04-15 | Single-screw extruder for solar packaging film production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203198209U true CN203198209U (en) | 2013-09-18 |
Family
ID=49142348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201909826U Expired - Lifetime CN203198209U (en) | 2013-04-15 | 2013-04-15 | Single-screw extruder for solar packaging film production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203198209U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640203A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene/vinyl acetate copolymer) adhesive film extruder |
| CN103640202A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate copolymer) glue film extruding machine |
| CN113681747A (en) * | 2021-08-27 | 2021-11-23 | 石家庄卓度橡塑设备有限公司 | Single screw rubber refiner |
| CN114851515A (en) * | 2021-02-04 | 2022-08-05 | 江苏汉鼎机械有限公司 | Low smoke and zero halogen barrel for extruder |
-
2013
- 2013-04-15 CN CN2013201909826U patent/CN203198209U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640203A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene/vinyl acetate copolymer) adhesive film extruder |
| CN103640202A (en) * | 2013-12-04 | 2014-03-19 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate copolymer) glue film extruding machine |
| CN114851515A (en) * | 2021-02-04 | 2022-08-05 | 江苏汉鼎机械有限公司 | Low smoke and zero halogen barrel for extruder |
| CN113681747A (en) * | 2021-08-27 | 2021-11-23 | 石家庄卓度橡塑设备有限公司 | Single screw rubber refiner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |
|
| CX01 | Expiry of patent term |